CN213947263U - Horn runner compression-proof injection mold - Google Patents
Horn runner compression-proof injection mold Download PDFInfo
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- CN213947263U CN213947263U CN202022273424.9U CN202022273424U CN213947263U CN 213947263 U CN213947263 U CN 213947263U CN 202022273424 U CN202022273424 U CN 202022273424U CN 213947263 U CN213947263 U CN 213947263U
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- horn runner
- well
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- thimble
- horn
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Abstract
The utility model relates to a moulding-die injection mold is prevented to ox horn runner, include: the movable mould comprises a fixed mould core and a movable mould, wherein the fixed mould core is arranged in the fixed mould, an ox horn runner is arranged in the fixed mould core, the ox horn runner comprises a glue inlet part and a cold material well, the cold material well is positioned in the middle of the ox horn runner, and the side wall of the cold material well is obliquely arranged to form a slip-off prevention angle; and, set up the material mechanism that takes off in the cover half, the bottom of cover half mould core be equipped with the corresponding activity chamber of cold burden well, it includes to take off the material mechanism: the ejector pin comprises an ejector plate, an ejector pin sleeve and an ejector pin, wherein a buffer cavity matched with the cold charge well is formed in the top of the ejector pin sleeve. The ox horn runner follows the movable mould and moves upwards during the drawing of patterns, because the lateral wall slope setting of cold burden well, consequently the cold burden well still is in the matched with state with the thimble cover in ox horn runner disengaging process, plays the effect of buffering to the ox horn runner, prevents that the ox horn runner from flying out and causing the moulding-die, drives the jacking of fixed top push pedal by outside drive hydro-cylinder again, and is ejecting with the cold burden well through the thimble, realizes breaking away from of ox horn runner.
Description
Technical Field
The utility model relates to the technical field of mold, in particular to moulding-die injection mold is prevented to ox horn runner.
Background
In the injection molding process, in order to prevent the product from leaving gate marks, a horn runner is adopted as a common glue feeding mode. However, the ox horn runner has strong elasticity, so that the ox horn runner flies out due to the strong elasticity in the demolding process and is sometimes ejected in the opposite half-mold cavity to cause the die pressing and influence the product quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a moulding-die injection mold is prevented to ox horn runner has the advantage that prevents that the indiscriminate flying of ox horn runner from causing the moulding-die.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a moulding-die injection mold is prevented to ox horn runner, includes:
the movable mould comprises a fixed mould core and a movable mould, wherein the fixed mould core is arranged in the fixed mould core, an ox horn runner is arranged in the fixed mould core and is connected with the movable mould, the ox horn runner comprises a glue inlet part and a cold material well, the cold material well is positioned in the middle of the ox horn runner, and the side wall of the cold material well is obliquely arranged to form an anti-falling angle; and the number of the first and second groups,
the setting is in take off material mechanism in the cover half, the bottom of cover half be equipped with the corresponding activity chamber of cold burden well, it includes to take off material mechanism: swing joint in the knockout plate, the activity of cover half set up in the thimble cover in activity chamber and be fixed in the knockout plate just wears to locate the thimble of thimble cover, the top of thimble cover be equipped with cold burden well matched with cushion chamber, the cold burden well inlays to be located the cushion chamber, under the state of moulding plastics the thimble with the bottom parallel and level in cushion chamber.
Realize above-mentioned technical scheme, the movable mould separates with the cover half during the drawing of patterns, and the ox horn runner follows the movable mould rebound, because the lateral wall slope setting of cold burden well, consequently the cold burden well still is in the matched with state with the thimble cover in ox horn runner separation process, plays the effect of buffering to the ox horn runner, prevents that the ox horn runner from flying out and causing the moulding-die, drives the jacking of fixed top push pedal by outside drive hydro-cylinder again, and it is ejecting with the cold burden well through the thimble, realizes breaking away from of ox horn runner.
As a preferred scheme of the utility model, the activity chamber includes movable part and guide part, the thimble cover includes spacing seat and spliced pole, spacing seat inlays to be located the movable part.
According to the technical scheme, the limiting seat is limited through the movable cavity, and the thimble sleeve is prevented from being separated from the fixed mold core.
As a preferred scheme of the utility model, the top push pedal includes mutual coincide's first assembly plate and second assembly plate, spacing counter bore has been seted up on the first assembly plate, the bottom of thimble is equipped with spacing head, the thimble passes spacing counter bore, just spacing head inlays to be established in the spacing counter bore.
By the technical scheme, the ejector pin and the ejector plate are conveniently and fixedly installed.
As a preferred scheme of the utility model, still be connected with drawing of patterns subassembly on the top push pedal, drawing of patterns subassembly includes: the demolding ejector pin is fixedly arranged on the demolding ejector sleeve of the fixed mold and penetrates through the ejection plate, and the demolding ejector pin is communicated with the fixed mold core.
According to the technical scheme, the demolding ejector pins are guided and limited through the demolding ejector sleeve, and the ejector pins can eject the product out by the ejector plate in the moving process.
As an optimized proposal of the utility model, the inclination angle of the side wall of the cold material well is 3-8 degrees.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a prevent moulding-die injection mold through providing an ox horn runner, include: the movable mould comprises a fixed mould core and a movable mould, wherein the fixed mould core is arranged in the fixed mould core, an ox horn runner is arranged in the fixed mould core and is connected with the movable mould, the ox horn runner comprises a glue inlet part and a cold material well, the cold material well is positioned in the middle of the ox horn runner, and the side wall of the cold material well is obliquely arranged to form an anti-falling angle; and, set up take off material mechanism in the cover half, the bottom of cover half be equipped with the corresponding activity chamber of cold burden well, take off material mechanism and include: swing joint in the knockout plate, the activity of cover half set up in the thimble cover in activity chamber and be fixed in the knockout plate just wears to locate the thimble of thimble cover, the top of thimble cover be equipped with cold burden well matched with cushion chamber, the cold burden well inlays to be located the cushion chamber, under the state of moulding plastics the thimble with the bottom parallel and level in cushion chamber. The movable mould separates with the cover half during the drawing of patterns, and the ox horn runner follows the movable mould and upwards removes, because the lateral wall slope setting of cold burden well, consequently the cold burden well still is in the matched with state with the thimble cover in ox horn runner separation process, plays the effect of buffering to the ox horn runner, prevents that the ox horn runner from flying out and causing the moulding-die, drives the jacking of top fixed push pedal by outside drive hydro-cylinder again, ejecting through the thimble with the cold burden well, realizes breaking away from of ox horn runner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is the schematic structural diagram of the embodiment of the present invention with the fixed mold and the movable mold removed.
The corresponding part names indicated by the numbers and letters in the drawings:
1. fixing a mold; 11. fixing a mold core; 12. a movable cavity; 121. a movable portion; 122. a guide portion; 2. moving the mold; 3. a horn runner; 31. a glue inlet part; 32. a cold charge well; 4. a material stripping mechanism; 41. pushing the plate; 411. a first fitting plate; 412. a second fitting plate; 413. limiting counter bores; 42. a thimble sleeve; 421. a limiting seat; 422. connecting columns; 43. a thimble; 431. a limiting head; 44. a buffer chamber; 5. a demolding component; 51. demolding the ejector sleeve; 52. and (4) demolding thimble.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
An injection mold for molding a ox horn runner 3 with a compression-proof structure, as shown in fig. 1 and 2, comprises: the plastic extruding die comprises a fixed die 1 and a movable die 2, wherein a fixed die core 11 is arranged in the fixed die 1, an ox horn runner 3 is arranged in the fixed die core 11, the ox horn runner 3 is connected with the movable die 2, the ox horn runner 3 comprises a rubber inlet part 31 and a cold material well 32, the cold material well 32 is positioned in the middle of the ox horn runner 3, and the side wall of the cold material well 32 is obliquely arranged to form an anti-drop angle; and a stripping mechanism 4 arranged in the fixed die 1.
Specifically, the bottom of the fixed die core 11 is provided with a movable cavity 12 corresponding to the cold material well 32, and the stripping mechanism 4 comprises: the ejector pin structure comprises an ejector plate 41 movably connected to the fixed die 1, an ejector pin sleeve 42 movably arranged in the movable cavity 12, and an ejector pin 43 fixed to the ejector plate 41 and penetrating through the ejector pin sleeve 42, wherein a buffer cavity 44 matched with the cold material well 32 is formed in the top of the ejector pin sleeve 42, the cold material well 32 is embedded in the buffer cavity 44, the inclination angle of the side wall of the cold material well 32 is 3-8 degrees, the cold material well 32 is matched with the buffer cavity 44 to have proper buffer force, and the ejector pin 43 is flush with the bottom of the buffer cavity 44 in an injection molding state.
The movable cavity 12 comprises a movable part 121 and a guide part 122, the thimble sleeve 42 comprises a limiting seat 421 and a connecting column 422, the limiting seat 421 is embedded in the movable part 121, the spacing between the upper end surface of the limiting seat 421 and the top wall of the movable part 121 is equal to the height of the cold material well 32 in the injection molding state, the limiting seat 421 is limited through the movable cavity 12, and the thimble sleeve 42 is prevented from being separated from the fixed mold core 11.
The ejector plate 41 comprises a first assembling plate 411 and a second assembling plate 412 which are overlapped with each other, a limiting counter bore 413 is formed in the first assembling plate 411, a limiting head 431 is arranged at the bottom of the ejector pin 43, the ejector pin 43 penetrates through the limiting counter bore 413, and the limiting head 431 is embedded in the limiting counter bore 413, so that the ejector pin 43 and the ejector plate 41 can be conveniently installed and fixed.
Further, still be connected with drawing of patterns subassembly 5 on the push pedal 41, drawing of patterns subassembly 5 includes: the demolding ejector pin 52 is communicated with the fixed mold core 11, the demolding ejector pin 52 is guided and limited by the demolding ejector pin 51, and the ejector pin 52 can eject a product out by the ejector plate 41 in the moving process.
During demoulding, the movable mould 2 is separated from the fixed mould 1, the ox horn runner 3 moves upwards along with the movable mould 2, and the side wall of the cold material well 32 is obliquely arranged, so that the cold material well 32 is still in a matching state with the thimble sleeve 42 in the separation process of the ox horn runner 3, the ox horn runner 3 is buffered, the ox horn runner 3 is prevented from flying out to cause a pressing mould, an external driving oil cylinder drives the fixed ejection plate 41 to lift up, the cold material well 32 is ejected through the ejector pin 43, and the separation of the ox horn runner 3 is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a moulding-die injection mold is prevented to ox horn runner which characterized in that includes:
the movable mould comprises a fixed mould core and a movable mould, wherein the fixed mould core is arranged in the fixed mould core, an ox horn runner is arranged in the fixed mould core and is connected with the movable mould, the ox horn runner comprises a glue inlet part and a cold material well, the cold material well is positioned in the middle of the ox horn runner, and the side wall of the cold material well is obliquely arranged to form an anti-falling angle; and the number of the first and second groups,
the setting is in take off material mechanism in the cover half, the bottom of cover half be equipped with the corresponding activity chamber of cold burden well, it includes to take off material mechanism: swing joint in the knockout plate, the activity of cover half set up in the thimble cover in activity chamber and be fixed in the knockout plate just wears to locate the thimble of thimble cover, the top of thimble cover be equipped with cold burden well matched with cushion chamber, the cold burden well inlays to be located the cushion chamber, under the state of moulding plastics the thimble with the bottom parallel and level in cushion chamber.
2. The injection mold for the compression-proof molding of the ox horn runner of claim 1 is characterized in that the movable cavity comprises a movable part and a guide part, the thimble sleeve comprises a limiting seat and a connecting column, and the limiting seat is embedded in the movable part.
3. The injection mold for molding the ox horn runner compression-proof mold according to claim 2, wherein the ejector plate comprises a first assembling plate and a second assembling plate which are overlapped with each other, the first assembling plate is provided with a limiting counter bore, the bottom of the ejector pin is provided with a limiting head, the ejector pin passes through the limiting counter bore, and the limiting head is embedded in the limiting counter bore.
4. The ox horn runner compression-proof injection mold according to claim 3, wherein a demolding assembly is further connected to the ejector plate, the demolding assembly comprising: the demolding ejector pin is fixedly arranged on the demolding ejector sleeve of the fixed mold and penetrates through the ejection plate, and the demolding ejector pin is communicated with the fixed mold core.
5. The ox horn runner compression-proof injection mold according to claim 4, wherein the side wall of the cold charge well is inclined at an angle of 3-8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273424.9U CN213947263U (en) | 2020-10-13 | 2020-10-13 | Horn runner compression-proof injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273424.9U CN213947263U (en) | 2020-10-13 | 2020-10-13 | Horn runner compression-proof injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213947263U true CN213947263U (en) | 2021-08-13 |
Family
ID=77203527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022273424.9U Active CN213947263U (en) | 2020-10-13 | 2020-10-13 | Horn runner compression-proof injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213947263U (en) |
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2020
- 2020-10-13 CN CN202022273424.9U patent/CN213947263U/en active Active
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